1.  List three problems/concerns with the use of backscatter scanners for airport screening.

2.  Why do millimeter-wave scanners move passengers through airport security more quickly than backscatter machines?

3.  The TSA did not want to discontinue use of the backscatter scanners - why did they do so?

4.  What have manufacturers of the millimeter wave scanners done that the manufacturers of the backscatter machines have not been able to do?

5.  What would cause the TSA to use the backscatter machines in the future?

6.  a) Do you agree with Congress' law to ban detailed body images in airport security screenings?  Explain your answer.
b)  Do you agree with TSA's statement that they will use backscatter machines in the future if the manufacturers are able to use ATR software?  Explain your answer.